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Lumia 2: Discrete wearable can measure blood flow

The Lumia 2 is a rather inconspicuous wearable (Image source: Lumia Health)
The Lumia 2 is a rather inconspicuous wearable (Image source: Lumia Health)
The Lumia 2 is a new and pretty unusual wearable that is not worn on the wrist or finger, but attached to the ear. It’s designed to monitor blood flow and can also track other metrics such as heart rate variability.

Lumia Health has introduced a new wearable called the Lumia 2, which is a device that can be clipped to the ear and does not require a piercing. It is promoted as the smallest wearable in the world, and it certainly looks discreet. From the front, the device looks like a regular earring, as the sensors are hidden entirely behind the ear. The Lumia 2 wearable can apparently also be attached to an ear-stud, making it virtually invisible from the front.

Blood flow measurements

The wearable is marketed with a wide range of features, including one that most other products in this category don’t offer. According to Lumia Health, it can measure blood flow, which can be used to track the effects of caffeine consumption. We can’t assess how practical this feature really is. The device is also supposed to measure the body’s readiness for strenuous physical activity by analyzing heart rate variability and resting heart rate. Steps can be counted as well.

Paid subscription required

The Lumia 2 supposedly has a secure fit even during workouts and a battery life between 5 and 8 days. The wearable is not yet available, but the starting price of $249 has already been unveiled. A paid subscription is apparently required or at least already mentioned and will likely cost at least $10 per month. Interested users can sign up to be notified about news via email.

These sensors can be hidden behind the user's ear (Image source: Lumia Health)
These sensors can be hidden behind the user's ear (Image source: Lumia Health)
With an ear piercing, the wearable does not have to be wrapped around the ear (Image source: Lumia Health)
With an ear piercing, the wearable does not have to be wrapped around the ear (Image source: Lumia Health)

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Silvio Werner, 2025-11-18 (Update: 2025-11-18)